Top Thermostat Replacement & Repair Services in St. Charles, MO

still waiting for another estimate

Clint is very amazing, thank you for all your hardwork!

Very honest and reasonably priced

My landlord called quality heating and cooling and they came to my house quickly and had the issue resolved in an hour, which was a huge relief because I have a small child and they had that AC up and running in no time flat

We needed a replacement heating and cooling unit in our sunroom. As usual Quality was prompt in getting in the necessary equipment and installing it. Malcolm did a great job and took time to explain both the warranties and how the unit works.

We had our semi-annual clean and check on our system and not only was the Technician extremely informative answering all of my questions, I felt at ease knowing our system still has a few more years left on it and we won't be needing to replace it this su...

Used Quality Heating & Cooling to update our builder's grade heating and cooling system. The owner came to our house and listened why we wanted to replace the system we had and came up with 2 or 3 options for us. We never felt pressured to purchase one ...

Quality Heating and Cooling is a very clean and thorough company. Their service is great and they seem to pride theirselves on preventative maintenance. With their service plan they like to find problems with your furnace or air condition before its in th...

Professional, reliable, and trustworthy. Nice folks.